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Finding the Fourth Proportional to 260,165.44, 389,944.08 and 110,355.04

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Solution

The fourth proportional to 260,165.44, 389,944.08 and 110,355.04 is: 165,403.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,165.44 : 389,944.08 = 110,355.04 : x
  2. Step 2: Convert to fraction form
    260,165.44/389,944.08 = 110,355.04/x
  3. Step 3: Cross multiply
    260,165.44x = 389,944.08 × 110,355.04
  4. Step 4: Simplify right side
    260,165.44x = 43,032,294,546.16
  5. Step 5: Solve for x
    x = 43,032,294,546.16/260,165.44
  6. Step 6: Final answer
    x = 165,403.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.